Aloe bussei 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Liliales Aloaceae

Scientific Name: Aloe bussei A.Berger

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii,v)+2ab(iii,v) ver 3.1
Year Published: 2009
Date Assessed: 2006-11-04
Needs updating
Assessor(s): Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants
Reviewer(s): Beentje, H., Gereau, R., Kabuye, C., Kalema, J., Luke, Q., Lyaruu, H., Maunder, M., Mwachala, G., Ndangalasi, H., Njau, F., Schatz, G. & Wabuele, E. (East African Plants Red List Authority)
Has an extent of occurrence of less than 20,000 km², there are 10 locations but it is also severely fragmented. Although there is no apparent decline at present, there is projected decline due to pressure from succulent collectors. There may also be impacts through clearance of the habitat by charcoal burners. The area of occupancy could be below the threshold for an Endangered listing, but that seems overly precautionary.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Recorded from the following mountain ranges in Tanzania: Uluguru, Ukaguru and Udzungwa. In the Udzwungas presumably only occurs on the north facing slopes over-looking the Ruaha Dam
Countries occurrence:
Tanzania, United Republic of
Additional data:
Estimated area of occupancy (AOO) - km2:100
Number of Locations:10
Lower elevation limit (metres):500
Upper elevation limit (metres):1800
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Very localized but can occur in dense groups.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:A fairly small succulent shrub growing on open granite rock slabs on small hills,with deciduous woodland and grasses on deeper soil. Also recorded from woodland with Brachystegia, Combretum, Sterculia, etc. with outcrops of bare rocks with Xerophyta and Aloe.
Continuing decline in area, extent and/or quality of habitat:Yes

Threats [top]

Major Threat(s): No major threats at present, but there is potential for the species to be impacted by succulent collectors. There may also be impacts through clearance of the habitat by charcoal burners.

Conservation Actions [top]

Conservation Actions: Is known to occur in a few protected areas:  Udzungwa Mountains National Park, Mkungwe Forest Reserve and in Nguru ya Ndege Forest Reserve.

Citation: Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants. 2009. Aloe bussei. The IUCN Red List of Threatened Species 2009: e.T158040A5184534. . Downloaded on 24 May 2018.
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